Commuters pass by the NASDAQ Market site in New York, May 21, 2012. REUTERS

The top after-market Nasdaq gainers Thursday were Metabolix, Inc, Interval Leisure Group, Inc, Crosstex Energy, Inc, BioMimetic Therapeutics, Inc and Gevo, Inc. The top after-market Nasdaq losers were: Verisk Analytics, Inc, James River Coal Company, Amyris, Inc, Incyte Corporation and Netlist, Inc.


Metabolix, Inc (MBLX) shares climbed 15.28 percent to $ 2.49 in after-hours trading. The shares of the bioscience company declined 4 percent in regular trading session. The stock has a 52-week low of $1.82, a 52-week high of $7.74 and $ 73.85 million in market capitalization.

Interval Leisure Group (IILG) shares surged 11.33 percent to 19.75 in after-hours trading Thursday. The global provider of membership and leisure services to the vacation industry Thursday announced that its subsidiary, Interval Acquisition Corp., had entered into an amended and restated $500 million revolving credit facility, replacing its existing $50 million revolving credit facility and term loan with an original principal amount of $150 million that was set to expire in July 2013.

Shares of Crosstex Energy, Inc. (XTXI) rose 5.43 percent in post-market session to close at $ 14.17. The company shares dropped 5.15 percent in regular market trading Thursday.

BioMimetic Therapeutics, Inc (BMTI) shares advanced 4.76 percent to $ 3.30 in post-market trading. The shares had surged 16.67 percent in regular session. The shares went up a day after the company had reported positive data from a small Canadian trial testing its graft in patients who undergo surgery for a common type of shoulder injury. The trial met its primary endpoint of non-inferiority of AIBG to autograft as assessed by CT scan at six months.

Gevo, Inc. (GEVO) shares gained 3.61 percent and reached $ 7.74 in after-hours trading. The biotechnology company said a U.S. district court had denied a motion by Butamax Advanced Biofuels LLC for a preliminary injunction against it in a patent suit.


Verisk Analytics, Inc. (VRSK) traded 2.11 percent lower at $ 47.43 in post-market session Thursday. The stock has a 52-week low of $30.88, a 52-week high of $49.66 and $ 8.05 billion in market capitalization.

James River Coal Company (JRCC) shares plunged 1.96 percent to $ 3.00 in post-market session. The shares of the company have a 52-week low of $ 1.90, a 52-week high of $ 22.00 and $ 110.11 million in market capitalization.

Amyris, Inc (AMRS) shares dropped 1.93 percent to $ 3.05 in after-hours trading. The company shares dropped 9.33 percent in regular hours trading.

Incyte Corporation (INCY) shares declined 1.71 percent to $ 22.40 in after-hours trading. The biopharmaceutical company focused on the discovery, development and commercialization of small molecule drugs to treat serious unmet medical needs has a 52-week low of $11.76, a 52-week high of $ 24.30.

Netlist, Inc. (NLST) shares lost 2.12 percent in after-hours trading to reach $ 2.31.